H.G. Wells ; with an afterword by Isaac Asimov. by Jules Verne ; with an afterword Isaac Aaasimov by George Orwell ; with an afterword by Erich Fromm. Shimon Y. Nof, editor ; with a foreword by Isaac Asimov. Sinclair Lewis ; with an afterword by Mark Schorer. Fulvio Melia ; with an afterword by Roy Kerr. Morton S. Freeman ; foreword by Isaac Asimov.